
#top{
    height:680px;
    width:100%;
    background:url("../img/b-3.png") no-repeat center;
}
*{margin:0px;padding:0px;}
#top .box{  width:84%;border:1px solid blue;}
.top_1{border:1px solid red;}
.span12{width:100%;}
.top_z{height:500px;border:1px solid white;}
.logo{
    margin-top:70px;
}
.top_y{height:500px;border:1px solid yellow;}
.two{height:715px;}
.three{height:730px;background:#2aaff3;}
.four{height:715px;}
.five{height:730px;background:#2aaff3;}
.six{height:715px;}
.seven{height:336px;background:#2C3641;}
.xxx{height:284px;}